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shock, short circuit, or present a risk of fire.
● Do not touch undesignated places. Touching these places can cause electric
shock or short circuit.
● This work should be performed by the site maintenance individual or another
skilled professional. Performing work by non-technical personnel can cause
severe accidents such as electric shock.
13-1 HOW TO REMOVE THE POWER & I/O BOARD UNIT
1. Turn off the main AC unit power switch.
2. Remove the 2 tamperproof screws and detach the back door.
PHOTO 13-1a
1) BACK DOOR
2) TAMPERPROOF SCREW (2), chrome / M4×8
3. Unplug all the connectors plugged into the Power & I/O Board unit.
PHOTO 13-1b
PHOTO 13-1c
1)
Front
9 points
2)
Rear
3 points
4. Remove the 2 wing bolts and pull out the board.
PHOTO 13-1d
1) SCREW (2) / M4 x 20, w/flat & spring washers + flat washer
(4.4 – 16 x 1.6)
(P. 47)
13-2 COMPOSITION OF THE POWER & I/O BOARD UNIT
PHOTO 13-2
1) MAINTENANCE SWITCH SECTION
2) SERIAL INTERFACE BOARD
「Mushiking#3-eng.doc」 最終印刷日時：2010/01/14 14:19:00
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